Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001123/0.001123, allocations: 113.7 kB / 16.38 MB, free: 5.547 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001046/0.001046, allocations: 188 kB / 17.31 MB, free: 5.188 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.44/1.44, allocations: 205.1 MB / 223.2 MB, free: 12.25 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.784/1.784, allocations: 292.3 MB / 0.5496 GB, free: 17.57 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00151/0.00151, allocations: 67.91 kB / 0.673 GB, free: 5.812 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2355/0.237, allocations: 114.5 MB / 0.7848 GB, free: 3.148 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.4173/0.6544, allocations: 18.25 MB / 0.8027 GB, free: 40.2 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01036/0.6648, allocations: 6.85 MB / 0.8093 GB, free: 35.58 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0018/0.6666, allocations: 55.56 kB / 0.8094 GB, free: 35.57 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.003969/0.6706, allocations: 1.462 MB / 0.8108 GB, free: 34.71 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004579/0.6752, allocations: 1.409 MB / 0.8122 GB, free: 33.93 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.003968/0.6792, allocations: 1.291 MB / 0.8135 GB, free: 33.24 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.007944/0.6871, allocations: 5.462 MB / 0.8188 GB, free: 30.93 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01144/0.6986, allocations: 7.243 MB / 0.8259 GB, free: 28.33 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004728/0.7034, allocations: 2.363 MB / 0.8282 GB, free: 27.27 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005603/0.709, allocations: 2.966 MB / 0.8311 GB, free: 26.02 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002078/0.7111, allocations: 0.5143 MB / 0.8316 GB, free: 26.02 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004309/0.7154, allocations: 1.271 MB / 0.8328 GB, free: 25.75 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.005939/0.7214, allocations: 2.247 MB / 0.835 GB, free: 24.88 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.007688/0.7291, allocations: 2.193 MB / 0.8371 GB, free: 23.46 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01739/0.7466, allocations: 7.777 MB / 0.8447 GB, free: 20.46 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 6.923e-06/0.7466, allocations: 0 / 0.8447 GB, free: 20.46 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.294e-06/0.7466, allocations: 0 / 0.8447 GB, free: 20.46 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.000198/0.7469, allocations: 4 kB / 0.8447 GB, free: 20.46 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01698/0.7639, allocations: 3.823 MB / 0.8485 GB, free: 17.9 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.553e-05/0.7639, allocations: 8.531 kB / 0.8485 GB, free: 17.9 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02484/0.7888, allocations: 2.351 MB / 0.8508 GB, free: 16.77 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009151/0.798, allocations: 2.185 MB / 0.8529 GB, free: 15.41 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003327/0.7984, allocations: 268 kB / 0.8532 GB, free: 15.29 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00249/0.8009, allocations: 358.7 kB / 0.8535 GB, free: 15.16 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0292/0.8301, allocations: 7.13 MB / 0.8605 GB, free: 11.1 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000116/0.8303, allocations: 1.906 kB / 0.8605 GB, free: 11.1 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007899/0.8311, allocations: 143.3 kB / 0.8606 GB, free: 10.99 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007988/0.8319, allocations: 341.5 kB / 0.8609 GB, free: 10.89 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02852/0.8604, allocations: 6.997 MB / 0.8678 GB, free: 5.41 MB / 0.6544 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05961/0.9201, allocations: 26.49 MB / 0.8936 GB, free: 8.73 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01053/0.9307, allocations: 4.979 MB / 0.8985 GB, free: 3.441 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006774/0.9375, allocations: 2.608 MB / 0.9011 GB, free: 0.8125 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000345/0.9379, allocations: 127 kB / 0.9012 GB, free: 0.6719 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.56e-05/0.9379, allocations: 64.5 kB / 0.9012 GB, free: 0.5977 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.138e-06/0.9379, allocations: 0 / 0.9012 GB, free: 0.5977 MB / 0.6856 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.1109/1.049, allocations: 30.94 MB / 0.9315 GB, free: 1.566 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000132/1.049, allocations: 243.6 kB / 0.9317 GB, free: 1.281 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002461/1.052, allocations: 1.449 MB / 0.9331 GB, free: 15.82 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006818/1.052, allocations: 69.7 kB / 0.9332 GB, free: 15.75 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001155/1.053, allocations: 1.497 MB / 0.9346 GB, free: 14.23 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001295/1.055, allocations: 0.9212 MB / 0.9355 GB, free: 13.3 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001287/1.056, allocations: 0.6241 MB / 0.9361 GB, free: 12.66 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 9.691e-05/1.056, allocations: 305.1 kB / 0.9364 GB, free: 12.36 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006239/1.062, allocations: 2.666 MB / 0.939 GB, free: 9.688 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006871/1.069, allocations: 3.56 MB / 0.9425 GB, free: 5.75 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01291/1.082, allocations: 6.387 MB / 0.9488 GB, free: 14.96 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.04e-05/1.082, allocations: 8 kB / 0.9488 GB, free: 14.96 MB / 0.7481 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02869/1.111, allocations: 10.98 MB / 0.9595 GB, free: 3.863 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.397e-05/1.111, allocations: 16 kB / 0.9595 GB, free: 3.848 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.277e-05/1.111, allocations: 29.69 kB / 0.9595 GB, free: 3.82 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02081/1.132, allocations: 5.458 MB / 0.9649 GB, free: 14.35 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004674/1.137, allocations: 0.9828 MB / 0.9658 GB, free: 13.36 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04488/1.181, allocations: 28.16 MB / 0.9933 GB, free: 0.75 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005084/1.187, allocations: 0.5497 MB / 0.9939 GB, free: 204 kB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006198/1.187, allocations: 151.9 kB / 0.994 GB, free: 52 kB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00858/1.196, allocations: 3.972 MB / 0.9979 GB, free: 12.07 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006959/1.203, allocations: 3.505 MB / 1.001 GB, free: 8.188 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09246/1.295, allocations: 24.56 MB / 1.025 GB, free: 15.12 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.74e-05/1.295, allocations: 10.72 kB / 1.025 GB, free: 15.11 MB / 0.8262 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02708/1.322, allocations: 10.49 MB / 1.036 GB, free: 4.473 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 3.997e-05/1.323, allocations: 23.98 kB / 1.036 GB, free: 4.449 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.93e-05/1.323, allocations: 28.03 kB / 1.036 GB, free: 4.422 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01572/1.338, allocations: 4.243 MB / 1.04 GB, free: 164 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005141/1.343, allocations: 1.033 MB / 1.041 GB, free: 15.12 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0377/1.381, allocations: 27.12 MB / 1.067 GB, free: 3.281 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004847/1.386, allocations: 0.5303 MB / 1.068 GB, free: 2.75 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005625/1.387, allocations: 155.9 kB / 1.068 GB, free: 2.598 MB / 0.8575 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001139/1.388, allocations: 395.3 kB / 1.068 GB, free: 2.203 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007637/1.389, allocations: 201.7 kB / 1.068 GB, free: 2.004 MB / 0.8575 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02775/1.416, allocations: 10.17 MB / 1.078 GB, free: 7.754 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001016/1.417, allocations: 23.88 kB / 1.078 GB, free: 7.73 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.286e-06/1.417, allocations: 0 / 1.078 GB, free: 7.73 MB / 0.8731 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002021/1.419, allocations: 0.7211 MB / 1.079 GB, free: 6.988 MB / 0.8731 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004969/1.419, allocations: 47.98 kB / 1.079 GB, free: 6.941 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003717/1.423, allocations: 0.4953 MB / 1.08 GB, free: 6.445 MB / 0.8731 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006269/1.423, allocations: 277.5 kB / 1.08 GB, free: 6.176 MB / 0.8731 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02491/1.448, allocations: 9.414 MB / 1.089 GB, free: 12.73 MB / 0.8887 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01949/1.468, allocations: 8.887 MB / 1.098 GB, free: 3.766 MB / 0.8887 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.006209/1.474, allocations: 2.669 MB / 1.1 GB, free: 1.094 MB / 0.8887 GB Notification: Performance of sorting global known variables: time 0.00183/1.476, allocations: 0.9777 MB / 1.101 GB, free: 116 kB / 0.8887 GB Notification: Performance of Backend: time 4.91e-07/1.476, allocations: 4 kB / 1.101 GB, free: 112 kB / 0.8887 GB Notification: Performance of simCode: created initialization part: time 0.02875/1.505, allocations: 10.52 MB / 1.112 GB, free: 5.504 MB / 0.9044 GB Notification: Performance of SimCode: time 0.01471/1.52, allocations: 7.292 MB / 1.119 GB, free: 14.17 MB / 0.92 GB Notification: Performance of Templates: time 0.4894/2.009, allocations: 93.21 MB / 1.21 GB, free: 263.6 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)